100% non-metallic S1P boot with integrated TPR external chassis system for 360 ankle support. The Portwest Compositelite Trekker Plus Boot S1P - Black is designed for professionals seeking comprehensive foot protection and comfort. This 100% non-metallic S1P boot features an integrated TPR external chassis system for 360º ankle support. It offers a blend of durability and comfort, suitable for various industrial settings. Key Features: External 360° Chassis System: Provides maximum ankle support to prevent sprains and injuries. 100% Metal Free: Lightweight and flexible for all-day comfort. Back Pull-Tab: For easy on and off. Suede and Textile Upper: Offers a stylish look and lasting comfort. Padded Collar: Enhances comfort and reduces pressure during long working days. Pierce Resistant Composite Midsole: Protects against sharp objects. Compliance: EN ISO 20345: 2011 S1P. DESIGN AND FUNCTIONALITY: 100 Percent metal free. Back pull-tab for ease of getting onto the foot. Suede and textile upper. Pierce resistant composite midsole. CE certified. UKCA marked. Composite toecap for added protection. Anti-static footwear. Energy Absorbing Seat Region. SRC - Slip resistant outsole. Fuel and oil resistant outsole. Dual density sole unit. 100 Percent non-metallic. STANDARDS: EN ISO 20345: 2011 S1P.